| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | phenol AS-RS is the main priming agent for dyeing red, and can also be used to dye jujube, blue, black and other colors. Mainly used for dyeing cotton, vinylon, viscose fiber, not for cotton printing. This product has high affinity to cotton and excellent color fastness. |
| production method | with 2, 3-acid and 4-chloro-5-methyl-o-methoxyaniline as raw materials, the 2, 3-acid is first salified with a base in a chlorobenzene medium and then condensed with 4-chloro-5-methyl-o-methoxyaniline in the presence of pyridine to give the product. After the recovery of chlorobenzene by distillation, filtration, drying, grinding to obtain the finished product.. |
